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Collagen is the main structural protein in human connective tissues, most notably our skin. The vast majority of the collagen in our skin is found in the dermis the second layer of skin that sits beneath the epidermis), where it's also produced. Skin cells in the dermis (fibroblasts) synthesize the collagen that holds the rest of the dermis together, giving our skin its underlying structure.
As for the structure of collagen itself, it’s kind of like a braid or rope: Individual amino acids link up to form long chains, which bundle together to form thicker strands. Those strands then twist and coil around each other to form triple helices. Finally, those helices connect end to end and stack on top of each other to form clusters called fibrils. In other words, collagen is a pretty complex and massive molecule.
That’s why creams formulated with pure collagen simply can’t live up to their lofty claims— those huge braided molecules are just too big to penetrate your epidermis, and definitely too big to get down into the dermis where the real magic happens. So even though collagen creams feel nice and may help moisturize the skin, that’s about it in terms of benefits.
This unfortunate name comes from the craft tissue called crepe paper, which is thin and wrinkled. Crepey skin, therefore, refers to skin that is thin and wrinkled in appearance. Crepey skin typically appears as we age and our skin loses its ability to hold moisture to stay plump and firm. We also lose our ability to produce as much collagen as we age, which also contributes to thinner, less pliable skin. The likelihood of your skin becoming crepey as you age is determined, in part, by genetics as well. Smart skincare routines and lifestyle changes can help prevent areas of thin skin from becoming crepey in appearance.
To prevent crepey skin caused by sun damage, it’s best to moisturize daily and wear sunscreen. Additionally, antioxidants protect the skin from free radicals that damage cells and speed up aging. Ingredients and nutrients like rosehip oil, jojoba oil, peptides, red tea extract, retinol/vitamin A, coenzyme Q10, alpha-hydroxy acide and salicylic acid are all beneficial for preventing and reducing wrinkles. Collagen, ingredients that boost the production of collagen like vitamin C, and moisture barriers are all useful in plumping the skin and making skin firmer and tighter.
collagen may be effective for crepey skin, but there are many other factors that may affect whether this ingredient would work on your skin or if there are better ingredients that may work for you. Take this skin quiz to find the best ingredients for your skin and build your skincare routine.
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